1. Preheat oven to 350'F. Get ready a 9 inch tube pan. Do not grease the pan. In a bowl, sieve the flour, baking powder and salt together. Set aside.
2. In another bowl, mix egg yolks and sugar until light and creamy. Add in vegetable oil and milk. Mix well. Fold in flour mixture and mix well. Divide this mixture into 2 portion.
3. One portion mix in strawberry emulco and a few drop of pink colouring, while the other portion mix in pandan paste. Mix well.
4. Whisk Ingredients A until light and stiff. Divide the egg white mixture equally into 2. Fold one portion gently into the strawberry batter and the other half to the pandan batter. Mix gently.
5. Pour half of the strawberry batter into the tube pan, spread evenly and pour half of pandan batter, follow by strawberry and again the pandan batter.
6. Bake for 40-45 minutes. Remove from oven, invert the baking pan immediately. Leave to cool completely before serving.